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Attorney — Hirukawa Kosuke

Kosuke Hirukawa

Attorney / Intellectual Property Practice

Intellectual propertyPatent disputesJapan Patent Office secondmentStartup legalCivil litigation

An IP attorney with an engineering background and experience at a patent office and the Japan Patent Office. He supports intellectual property matters from technical and legal perspectives.

Bar AssociationTokyo Bar Association

Kosuke Hirukawa

Career

  1. Graduated from Tokyo National College of Technology.
  2. Completed the Graduate School of Bioscience and Biotechnology at Tokyo Institute of Technology.
  3. Handled patent attorney work and litigation support at a Tokyo patent firm.
  4. Worked at a patent law firm.
  5. 2019 Seconded to the Japan Patent Office, working on startup support and employee inventions.
  6. 2025 Joined Legal Agent.

IP practice with an engineering background

He supports patent specifications, office actions, patent disputes and broader IP matters while communicating directly with engineers.

Japan Patent Office experience

His experience at the Japan Patent Office gives him both administrative and attorney-side perspectives on IP strategy.

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